九年级英语第6单元第4Unit 6 When was it invented?Section B （1a—1d）一、【教材分析】教学目标知识目标1.会听说读写下列词汇：crispy; salty; sour; by mistake; customer；by mistake; thin enough; salty enough; make the customer happy; in the end; potato chips.2. 能正确使用语法要点中的句型：（1）Potato chips were invented by mistake. （2）The customer thought the potatoes thin enough.（3）The customer said they were not salty enough.（4）George wanted to make the customer happy.（5）The customer was happy in the end.目标1. To understand and describe how f ood can taste.2. To learn the history of potato chips by listening carefully. 3. To practice talking about the invention of potato chips.情感目标通过本课的学习，培养学生乐探索，乐创新和发明的精神。教学重 点理解并讨论薯条的发明。教学难点熟练运用语法要点中的句型和他人对话；一般过去式被动语态的用法。教学法情景教学法；务型教学法。二、【教学流程】 环节师生活动二次备课I. 热身1、检查生词预习。（1）先通过PPT呈现本课的单词，教师领读，学生跟读，教师帮助学生正音。（2）做题巩固。根据句意及首字母提示完成单词。①The glass is very c_________. You should be careful. ②The soup is very s_________. You shouldn’t put so much salt into it.③The oranges are not sweet at all, instead, they are kind of s_________.④He put salt in her cup of tea by m_________.⑤His br |
